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Northward Distribution of Gammarus pulex (L.)

1951; Nature Portfolio; Volume: 168; Issue: 4264 Linguagem: Inglês

10.1038/168126a0

1476-4687

D. M. Reid,

Aquatic Invertebrate Ecology and Behavior

SINCE the discovery that Gammarus lacustris Sars occurred in the fresh waters of the mainland of Scotland1, and that the form previously identified as G. pulex was most probably this species, there seems to have arisen a tendency to assume that the former species replaces the more familiar G. pulex in that area.